EFF

@EFF ↗

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Last Checked April 27, 2020

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Sun Jul 14 19:08:37 +0000 2019

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EFF @EFF

Let’s look at a classic “IMSI-catcher,” which lets operators snoop on the phone usage of people nearby. Classic IMSI-catchers simply record nearby International Mobile Subscriber Identities (IMSIs), and don’t interact with target phones in a significant way beyond that. (2/5) https://t.co/didB0xCR1I — PolitiTweet.org

Posted July 14, 2019 Hibernated

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EFF @EFF

What are cell-site simulators (CSSs) and how do they sneakily collect information about our cell phones? EFF’s Threat Lab created “Gotta Catch ‘Em All” to explain, and document the harms CSSs pose. (1/5) https://t.co/lq7lzIwI1e — PolitiTweet.org

Posted July 14, 2019 Hibernated

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EFF @EFF

They “catch” IMSIs by pretending to be real base stations, then release the target phones. In GSM networks, phones will try to connect to whatever base station is broadcasting at the highest signal strength. (3/5) https://t.co/8TaE4J7eO1 — PolitiTweet.org

Posted July 14, 2019 Hibernated